Davidson,Joan <br/><br/>
Conservation and Agriculture  
/ by Joan Davidson and Richard Lioyd 
 - New York:   John wiley&Sons,   1977. 
 - xii,252p. 
<br/><br/><label>ISBN: </label>0471995029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture <br/>Economics <br/>Grassland<br/>Upland Pasture 
<br/><br/><label>Dewey Class. No.: </label>333.76  / DAV/C